Cita APA (7a ed.)

Colby, A., Furstenberg, F. F., & Phelps, E. (2002). Looking at Lives: American Longitudinal Studies of the Twentieth Century. Russel Sage Foundation.

Cita Chicago Style (17a ed.)

Colby, Anne, Frank F. Furstenberg, y Erin Phelps. Looking at Lives: American Longitudinal Studies of the Twentieth Century. New York: Russel Sage Foundation, 2002.

Cita MLA (8a ed.)

Colby, Anne, et al. Looking at Lives: American Longitudinal Studies of the Twentieth Century. Russel Sage Foundation, 2002.